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A contractor bought 12.6 ft2 of sheet metal. He has used 3.5 ft2 so far and has ​$273 worth of sheet metal remaining. The equation 12.6x−3.5x=273 represents how much sheet metal is remaining and the cost of the remaining amount. How much does sheet metal cost per square​ foot?

Sheet metal costs ​${___________


Sagot :

It cost 20 per foot because you multiply it by 67